code: def __call__(self, parameter: torch.Tensor) -> torch.Tensor:
      return self.alpha * torch.sum(torch.abs(parameter))
  
file_path: transfer-nlp/transfer_nlp/plugins/regularizers.py
imports: import torch
  from transfer_nlp.plugins.config import register_plugin
label_desc: Use image node_id 2 for calling the L1 obj's underlying member method code with example usage: obj.__call__(parameter) and returns: unknown